500W PA amplifier with Limiter - Page 14 - diyAudio
Go Back   Home > Forums > Amplifiers > Solid State

Solid State Talk all about solid state amplification.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 22nd April 2010, 08:23 PM   #131
diyAudio Member
 
Join Date: Oct 2005
Quote:
Originally Posted by eesbiboi View Post
engel,
sir what components are hard to find in our country???...your from what city???...
b500 is friendly here unlike the h900,
no IR2117
nsl32 also,
i'm from malolos,
but i got most af the parts also from manila
  Reply With Quote
Old 22nd April 2010, 08:30 PM   #132
diyAudio Member
 
Join Date: Oct 2005
Quote:
Originally Posted by apexaudio View Post
Bulb have positive temperature coefficient (PTC). When bulb is cold it have small resistance, when current rising bulb get hot and resistance is R=U2/P. U=220v, P=100w and R=484R when bulb bright, that resistance will drop voltage on primary and protect amplifier if something is wrong.
Resistance of 150R will drop voltage on primary if current rising. Voltage on primary will be U=220v-150RxI(A), voltage drop will protect amplifier is something was wrong also like bulb.
bulb is very bright during first power
after the in rush current
bulb start to dimmed
  Reply With Quote
Old 22nd April 2010, 08:38 PM   #133
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by engel dela pena View Post
bulb is very bright during first power
after the in rush current
bulb start to dimmed
When during first power, caps are charging and current is high.

Last edited by apexaudio; 22nd April 2010 at 08:40 PM.
  Reply With Quote
Old 22nd April 2010, 08:46 PM   #134
Gitsa is offline Gitsa  Moldova
diyAudio Member
 
Join Date: Oct 2009
Location: Moldova
Here are the details in Atach
Attached Files
File Type: zip аор124_3ор124.zip (167.2 KB, 1536 views)
  Reply With Quote
Old 22nd April 2010, 09:14 PM   #135
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by Gitsa View Post
Here are the details in Atach
Thanks, I like case, it is more robust than NSL32.
  Reply With Quote
Old 22nd April 2010, 09:26 PM   #136
Gitsa is offline Gitsa  Moldova
diyAudio Member
 
Join Date: Oct 2009
Location: Moldova
Not had to deal with NSL32, I can not say anything, but people did on aor124, it is in kliplimiter in amplifiers, working chetko.Ya now finish your payment b500 and check!
  Reply With Quote
Old 22nd April 2010, 09:39 PM   #137
Gitsa is offline Gitsa  Moldova
diyAudio Member
 
Join Date: Oct 2009
Location: Moldova
Here's a similar example!
Attached Images
File Type: gif 1input.gif (20.1 KB, 3264 views)

Last edited by Gitsa; 22nd April 2010 at 09:56 PM.
  Reply With Quote
Old 22nd April 2010, 10:18 PM   #138
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by Gitsa View Post
Here's a similar example!
Look like AOR124 is perfect for B500, if pins layout is right, but that will be smal problem.
Regards
  Reply With Quote
Old 22nd April 2010, 10:40 PM   #139
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Quote:
Originally Posted by engel dela pena View Post
rock soul & jazz
good sonics
Like me,
Cheers
  Reply With Quote
Old 22nd April 2010, 11:00 PM   #140
diyAudio Member
 
apexaudio's Avatar
 
Join Date: Feb 2010
Location: Serbia
Default Apex b50

If you like sound of B500, but is to much powerfull for Hi-Fi, consider about this 50W amp.
Regards
Attached Images
File Type: jpg APEX B50 SCH.jpg (203.1 KB, 3703 views)
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
900W H-class PA Amp with Limiter apexaudio Solid State 2999 18th August 2014 01:56 PM
500w power amplifier juneray Solid State 70 16th September 2011 04:05 PM
500W Power Amplifier JRdGreat Solid State 24 16th September 2009 09:48 AM
500W Aleph Amplifier? lscangus Pass Labs 20 19th November 2005 08:29 PM
Looking for 300-500W amplifier audioPT Solid State 3 31st August 2002 12:39 PM


New To Site? Need Help?

All times are GMT. The time now is 04:54 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2